CN106250817A - A kind of fingerprint identification method and device - Google Patents
A kind of fingerprint identification method and device Download PDFInfo
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- CN106250817A CN106250817A CN201610570519.2A CN201610570519A CN106250817A CN 106250817 A CN106250817 A CN 106250817A CN 201610570519 A CN201610570519 A CN 201610570519A CN 106250817 A CN106250817 A CN 106250817A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1347—Preprocessing; Feature extraction
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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Abstract
The present invention relates to technical field of image processing, particularly relate to a kind of fingerprint identification method and device, comprise determining that the finger print data that finger print detecting module detects；According to finger print data, perform the first process, when the first process exports the first recognition failures identification information, according to finger print data, perform the second process；According to the second identification successful identification information of described second process output, what triggering was preset is identified as merit control instruction.The present invention has the beneficial effect that: the advantage combining two kinds of fingerprint identification methods, compared to characteristic point Comparison Method, owing to having continued executing with image Comparison Method, improves the success rate once identified, decreases the situation needing user to repeat typing.
Description
Technical field
The present invention relates to technical field of image processing, particularly relate to a kind of fingerprint identification method and device.
Background technology
The finger print mobile phones sold on current market, the comparison method of the overwhelming majority uses characteristic point Comparison Method, the party
Method has certain requirement to characteristic point quantity during fingerprint typing, after reaching this characteristic point quantity required, just can complete one
Secondary unlocking motion.And the quantity of this characteristic point, it is to have clear and definite relation with the size of fingerprint, fingerprint area is the biggest, from this
The characteristic point extracted in individual fingerprint will be the most, on the contrary, fingerprint area is the least, it is possible to the characteristic point extracted is the fewest.At mobile phone
Unlocking during using, it is unstable that staff touches the area on fingerprint module surface, during pressing great efforts, and area of detection phase
To relatively big, fingerprint detection area is also big effectively, and presses surging hour, and such as some user likes touching gently by finger belly referring to
Stricture of vagina module surface, now, it is understood that there may be a problem, the area i.e. touched is the least, it is impossible to extract the characteristic point of effective quantity.
Thus cause fingerprint recognition failure, need user to re-type fingerprint and be identified, reduce fingerprint recognition success rate.
In sum, there is the technical problem that recognition success rate is the highest in fingerprint identification method of the prior art.
Summary of the invention
The present invention provides a kind of fingerprint identification method and device, in order to solve fingerprint identification method present in prior art
The technical problem that recognition success rate is the highest.
On the one hand, the embodiment of the present invention provides a kind of fingerprint identification method, including:
Determine the finger print data that finger print detecting module detects；
According to described finger print data, performing the first process, described first process is to described finger according to characteristic point Comparison Method
Stricture of vagina data carry out fingerprint recognition；
When described first process exports the first recognition failures identification information, according to described finger print data, perform second and enter
Journey, described second process is for carry out fingerprint recognition according to image Comparison Method to described finger print data；
According to the second identification successful identification information of described second process output, trigger the power control system that is identified as preset and refer to
Order.
On the other hand, the embodiment of the present invention provides a kind of fingerprint identification device, including:
Determine unit, for determining the finger print data that finger print detecting module detects；
Processing unit, for according to described finger print data, performs the first process, and described first process is according to characteristic point ratio
Method is carried out fingerprint recognition to described finger print data；When described first process exports the first recognition failures identification information, according to
Described finger print data, performs the second process, and described second process is for carry out fingerprint according to image Comparison Method to described finger print data
Identify；
Output unit, for the second identification successful identification information according to described second process output, triggers the knowledge preset
Not success control instruction.
The method that the embodiment of the present invention provides, determines the finger print data that finger print detecting module detects；According to described fingerprint
Data, perform the first process, and described first process is for carry out fingerprint recognition according to characteristic point Comparison Method to described finger print data；?
When described first process exports the first recognition failures identification information, according to described finger print data, perform the second process, described second
Process is for carry out fingerprint recognition according to image Comparison Method to described finger print data；The second identification according to described second process output
Successful identification information, what triggering was preset is identified as merit control instruction.The present invention has the beneficial effect that: the method is first carried out feature
Point Comparison Method, when characteristic point Comparison Method comparison failure, performs image Comparison Method, compared to characteristic point comparison of the prior art
Method, owing to having continued executing with image Comparison Method, thus improves the success rate once identified, decreases and need user to repeat typing
Situation.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing briefly introduce, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for this
From the point of view of the those of ordinary skill in field, on the premise of not paying creative work, it is also possible to obtain it according to these accompanying drawings
His accompanying drawing.
Fig. 1 provides a kind of fingerprint identification method flow chart for the embodiment of the present invention；
Fig. 2 provides a kind of fingerprint identification method detail flowchart for the embodiment of the present invention；
Fig. 3 provides a kind of fingerprint identification method detail flowchart for the embodiment of the present invention；
Fig. 4 provides a kind of fingerprint identification device schematic diagram for the embodiment of the present invention.
Detailed description of the invention
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing the present invention made into
One step ground describes in detail, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole enforcement
Example.Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
All other embodiments, broadly fall into the scope of protection of the invention.
Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.
As it is shown in figure 1, a kind of fingerprint identification method flow chart that the embodiment of the present invention provides, including:
Step 101, determine the finger print data that finger print detecting module detects；
Step 102, according to described finger print data, perform the first process, described first process is according to characteristic point Comparison Method
Described finger print data is carried out fingerprint recognition；
Step 103, when described first process exports the first recognition failures identification information, according to described finger print data, hold
Row the second process, described second process is for carry out fingerprint recognition according to image Comparison Method to described finger print data；
Step 104, the second identification successful identification information exported according to described second process, trigger the identification success preset
Control instruction.
The scene that the embodiment of the present invention is suitable for is: the fingerprint recognition area of fingerprint recognition module is more than first threshold, its
In, fingerprint module is for receiving the fingerprint typing of user and carrying out fingerprint recognition.When user needs to carry out fingerprint recognition, permissible
Use embodiment of the present invention method, such as, when user uses mobile phone, need to be unlocked by unlocked by fingerprint；For another example, user is worked as
During payment, need by fingerprint payment etc..The embodiment of the present invention is applicable to the application scenarios that be there is a need to carry out fingerprint recognition.
Prior art occurs a kind of image Comparison Method, has the most only been tested by the concordance of comparison fingerprint image
The method of card, the original intention of this image Comparison Method, is to meet the demand that fingerprint recognition module area is constantly reduced by mobile phone,
When fingerprint recognition area narrows down to a certain degree, e.g., less than during first threshold, it is difficult to obtain enough characteristic points, this
Time, image Comparison Method compensate for this problem, and for a less fingerprint, image Comparison Method has more than characteristic point Comparison Method
High success rate.
Although image Comparison Method can have higher success rate when fingerprint recognition area is less, but there is also some and ask
Topic, mainly: image Comparison Method is complex, needs part details each to fingerprint picture to carry out similarity comparison, whole place
The processor resource that reason needs is more, and comparison time is relatively long.Producers based on 2016 announce data, characteristic point ratio method
To the unblock that can realize in 100ms, and within image Comparison Method can't shorten to 100ms.
In above-mentioned steps 101, when user needs to carry out fingerprint recognition, touch fingerprint module surface by finger, then
Finger print detecting module can detect that user passes through the finger print data of fingerprint module typing.
In above-mentioned steps 102, according to described finger print data, performing the first process, described first process is according to feature
Point Comparison Method carries out fingerprint recognition to described finger print data.
Prior art is belonged to, the therefore embodiment of the present invention pair owing to being carried out the method for fingerprint recognition by characteristic point Comparison Method
The process that implements of this method is not described in detail, and concrete methods of realizing refers to prior art scheme.
In this step, by performing the first process, finger print data is carried out fingerprint recognition, according to the result of fingerprint recognition,
Illustrate separately below.
Situation the one, first process exports the first recognition failures identification information
I.e. in above-mentioned steps 103, described first process exports the first recognition failures identification information, then according to described fingerprint
Data, perform the second process, and described second process is for carry out fingerprint recognition according to image Comparison Method to described finger print data.
Owing to the method by carrying out fingerprint recognition according to image Comparison Method belongs to prior art, the therefore embodiment of the present invention
This method being implemented process be not described in detail, concrete methods of realizing refers to prior art scheme.
Further, according to the fingerprint recognition result of the second process, the most specifically introduce.
One, second process output the second identification successful identification information
I.e. in above-mentioned steps 104, according to the second identification successful identification information of described second process output, trigger and preset
Be identified as merit control instruction.
Thus, when the first process exports the first recognition failures identification information, and the second process output second identifies and successfully marks
During knowledge information, what triggering was preset is identified as merit control instruction.
Two, the second process exports the second recognition failures identification information
Alternatively, according to the second recognition failures identification information of described second process output, the recognition failures preset is triggered
Identification information.
Thus, when the first process exports the first recognition failures identification information, and the second process exports the second recognition failures mark
During knowledge information, trigger the recognition failures identification information preset.
First identification successful identification information of situation the two, first process output
Alternatively, according to the first identification successful identification information of described first process output, described default identification is triggered
Success control instruction.
Thus, when the first process exports the first identification successful identification information, then directly trigger the identification preset and successfully mark
Knowledge information.Further, the second process is performed without.
Therefore, in said circumstances one and situation two, what the embodiment of the present invention was carried out is that serial performs the first process (first
Process is for carrying out fingerprint recognition according to characteristic point Comparison Method to described finger print data) and the second process (described second process is root
According to image Comparison Method, described finger print data is carried out fingerprint recognition), particular because in actual application, characteristic point Comparison Method has
Comparison speed, therefore in the embodiment of the present invention, is first carried out characteristic point Comparison Method, first process is i.e. first carried out faster, when
When first process exports the first recognition failures identification information, then perform image Comparison Method, i.e. perform the second process, when the second process
Second identifies successful identification information, then show that image Comparison Method is successful to fingerprint recognition, and what therefore triggering was preset is identified as power control
System instruction；When the second process exports the second recognition failures identification information, then trigger default recognition failures identification information, thus
Two kinds of fingerprint identification method all recognition failures, show that fingerprint recognition result is unsuccessfully, thus trigger the recognition failures mark preset
Information.Certainly, when the first process exports the first identification successful identification information, then show that fingerprint recognition is become by characteristic point Comparison Method
Merit, the most directly triggers the identification successful identification information preset.
The embodiment of the present invention, determines the finger print data that finger print detecting module detects；According to described finger print data, perform the
One process, described first process is for carry out fingerprint recognition according to characteristic point Comparison Method to described finger print data；Enter described first
When journey exports the first recognition failures identification information, according to described finger print data, perform the second process, according to described second process
Image Comparison Method carries out fingerprint recognition to described finger print data；The second identification success flag letter according to described second process output
Breath, what triggering was preset is identified as merit control instruction.The present invention has the beneficial effect that: characteristic point Comparison Method is first carried out, in feature
During point Comparison Method comparison failure, performing image Comparison Method, the advantage combining two kinds of fingerprint identification methods, compared to prior art
In characteristic point Comparison Method, owing to having continued executing with image Comparison Method, thus improve the success rate once identified, decrease need
User is wanted to repeat the situation of typing；Compared to the image Comparison Method in prior art, owing to formerly performing characteristic point Comparison Method,
When carrying out fingerprint typing due to user, there is the situation that certain probability occurs that fingerprint recognition area is enough, thus certain
On probability, the relatively success earlier of characteristic point Comparison Method, can improve the speed once identified.
Being described in detail said method below in conjunction with Fig. 2, wherein, the fingerprint that Fig. 2 provides for the embodiment of the present invention is known
Other method detail flowchart, comprises the following steps:
Step 201, determine the finger print data that finger print detecting module detects, and generate interrupt signal；
Step 202, User layer generate the first fingerprint recognition instruction according to described interrupt signal, and are known by described first fingerprint
Zhi Ling not be sent to TZ module；
In this step, User layer generate the first fingerprint recognition instruction according to interrupt signal, be then sent to TZ module,
Wherein, client layer (User layer) is mainly used in interacting with user, processes top signaling, in current mobile terminal is applied,
The function of fingerprint recognition is mainly integrated in TZ (trustzone) module.
Step 203, described TZ module create described first process according to described first fingerprint recognition instruction；
Step 204, described TZ module obtain described finger print data from described finger print detecting module, and enter according to described first
Journey carries out fingerprint recognition to described finger print data；
Wherein, TZ module, after receiving the first fingerprint recognition instruction, creates the first process, and then TZ module is directly from finger
Stricture of vagina detection module obtains finger print data, so that the finger print data obtained is known by the first process by Feature point recognition method
Not.
Step 205, described User layer, when described first process exports the first recognition failures identification information, generate the second finger
Stricture of vagina identification instructs, and described second fingerprint recognition instruction is sent to TZ module；
Step 206, described TZ module create described second process according to described second fingerprint recognition instruction；
Wherein, TZ module, after receiving the second fingerprint recognition instruction, creates the second process.
Step 207, described TZ module obtain described finger print data from described finger print detecting module, and enter according to described second
Journey carries out fingerprint recognition to described finger print data；
TZ module directly obtains finger print data from finger print detecting module, so that the second process is by image Comparison Method pair
The finger print data obtained is identified.
Step 208, described User layer, according to the second identification successful identification information of described second process output, trigger and preset
Be identified as merit control instruction.
Certainly, in above-mentioned steps 205, if first process output the first identification successful identification information, then triggering is preset
It is identified as merit control instruction.
In above-mentioned steps 208, if the second process exports the second recognition failures identification information, then trigger default identification and lose
Lose control instruction.
The embodiment of the present invention, determines the finger print data that finger print detecting module detects；According to described finger print data, perform the
One process, described first process is for carry out fingerprint recognition according to characteristic point Comparison Method to described finger print data；Enter described first
When journey exports the first recognition failures identification information, according to described finger print data, perform the second process, according to described second process
Image Comparison Method carries out fingerprint recognition to described finger print data；The second identification success flag letter according to described second process output
Breath, what triggering was preset is identified as merit control instruction.The present invention has the beneficial effect that: characteristic point Comparison Method is first carried out, in feature
During point Comparison Method comparison failure, performing image Comparison Method, the advantage combining two kinds of fingerprint identification methods, compared to prior art
In characteristic point Comparison Method, owing to having continued executing with image Comparison Method, thus improve the success rate once identified, decrease need
User is wanted to repeat the situation of typing；Compared to the image Comparison Method in prior art, owing to formerly performing characteristic point Comparison Method,
When carrying out fingerprint typing due to user, there is the situation that certain probability occurs that fingerprint recognition area is enough, thus certain
On probability, the relatively success earlier of characteristic point Comparison Method, can improve the speed once identified.
, there is following features in the fingerprint identification method described for above-mentioned Fig. 2:
1) User layer is as master control, is taken up in order of priority two fingerprint recognition of generation to instruct, the characteristic point ratio performed in TZ module
To process and the relatively independent operation of image comparison process, independent feedback result.
2) User layer receives the result of two progress feedback respectively, and carries out corresponding action executing.
Fingerprint identification method shown in above-mentioned Fig. 2 there is the problem that flow process original to mobile phone has bigger change,
Because existing mobile phone User layer only can initiate a fingerprint recognition instruction, and the method User layer in above-mentioned Fig. 2 needs to initiate
Two fingerprint recognition instructions, thus result in and need that existing User layer is had bigger change, refer to this end, another kind is given below
Stricture of vagina recognition methods, wherein, User layer has only to send a fingerprint recognition instruction just can realize fingerprint recognition, with prior art
The action of scheme User layer keeps consistent.
Concrete, characteristic point comparison process and image comparison process can be encapsulated in this flight data recorder of TZ, User layer
Only initiate a fingerprint comparison, and receive fingerprint recognition result from TZ, then whole flow process will User layer original with mobile phone
Control flow is consistent.Now, TZ, as a flight data recorder, accepts the identification mission that User layer sends, and feeds back to User layer
Two set comparisons, inside TZ flight data recorder, are carried out serial process, and comparison final result are sent to User layer i.e. by recognition result
Can.It is specifically described below.
As it is shown on figure 3, a kind of fingerprint identification method detail flowchart provided for the embodiment of the present invention, including following step
Rapid:
Step 301, determine the finger print data that finger print detecting module detects, and generate interrupt signal；
Step 302, User layer generate fingerprint recognition according to described interrupt signal and instruct and be sent to TZ module；
In this step, User layer only generates a fingerprint recognition and instructs and be sent to TZ module.With in prior art
When User layer does fingerprint recognition, the function of User layer keeps consistent, such that it is able to reduce the development of User layer, easily facilitates
Apply the inventive method in actual application.
Step 303, described TZ module create described first process according to the instruction of described fingerprint recognition；
In this step, TZ module, when receiving fingerprint recognition instruction, instructs establishment first according to described fingerprint recognition
Process.
Step 304, described TZ module obtain described finger print data from described finger print detecting module, and enter according to described first
Journey carries out fingerprint recognition to described finger print data；
Step 305, described TZ module, when described first process exports the first recognition failures identification information, create described
Two processes；
Step 306, described TZ module obtain described finger print data from described finger print detecting module, and enter according to described second
Journey carries out fingerprint recognition to described finger print data；
Step 307, described TZ module, according to the second identification successful identification information of described second process output, generate fingerprint
Identify success message and described fingerprint recognition success message is sent to described User layer；
In this step, if TZ module is according to the second identification successful identification information of described second process output, generation refers to
Stricture of vagina identification success message, and described fingerprint recognition success message is sent to User layer
Certainly, if first process output the first identification successful identification information, fingerprint recognition success message is the most also generated concurrent
Give User layer；If the first process exports the first recognition failures identification information and the second process exports the second recognition failures mark letter
Breath, then generate fingerprint recognition failed message and be sent to User layer.
The most in step 307, TZ module determine final recognition result, and generate fingerprint recognition message and be sent to User
Layer (fingerprint recognition message is fingerprint recognition success message or fingerprint recognition failed message).
Step 308, described User layer, according to described fingerprint recognition success message, trigger the power control system that is identified as preset and refer to
Order.
Fingerprint identification method shown in above-mentioned Fig. 3 differs primarily in that with the fingerprint identification method shown in above-mentioned Fig. 2:
First, User layer only sends a fingerprint recognition and instructs to TZ module, and TZ module is receiving fingerprint recognition instruction
After be respectively created the first process and the second process, and serial performs described first process and described second process.
Second, TZ module determine final recognition result, and correspondingly generate fingerprint recognition success message or fingerprint knowledge
Other failed message, is sent to User layer, is then triggered default being identified as merit control instruction or trigger the knowledge preset by User layer
Not failure control instruction.
Compared to the fingerprint identification method shown in Fig. 2, the fingerprint identification method shown in Fig. 3 achieves the envelope to TZ module
Dress, it is achieved thereby that make the execution flow process that User layer is identical with User layer holding in prior art, i.e. has only to send one
Fingerprint recognition instructs, and in actual applications, improves development efficiency, has saved cost.
The embodiment of the present invention, determines the finger print data that finger print detecting module detects；According to described finger print data, perform the
One process, described first process is for carry out fingerprint recognition according to characteristic point Comparison Method to described finger print data；Enter described first
When journey exports the first recognition failures identification information, according to described finger print data, perform the second process, according to described second process
Image Comparison Method carries out fingerprint recognition to described finger print data；The second identification success flag letter according to described second process output
Breath, what triggering was preset is identified as merit control instruction.The present invention has the beneficial effect that: characteristic point Comparison Method is first carried out, in feature
During point Comparison Method comparison failure, performing image Comparison Method, the advantage combining two kinds of fingerprint identification methods, compared to prior art
In characteristic point Comparison Method, owing to having continued executing with image Comparison Method, thus improve the success rate once identified, decrease need
User is wanted to repeat the situation of typing；Compared to the image Comparison Method in prior art, owing to formerly performing characteristic point Comparison Method,
When carrying out fingerprint typing due to user, there is the situation that certain probability occurs that fingerprint recognition area is enough, thus certain
On probability, the relatively success earlier of characteristic point Comparison Method, can improve the speed once identified.
Based on identical technology design, the embodiment of the present invention also provides for a kind of fingerprint identification device, as shown in Figure 4, and including:
Determine unit 401, for determining the finger print data that finger print detecting module detects；
Processing unit 402, for according to described finger print data, performs the first process, and described first process is according to feature
Point Comparison Method carries out fingerprint recognition to described finger print data；When described first process exports the first recognition failures identification information,
According to described finger print data, performing the second process, described second process is for carry out described finger print data according to image Comparison Method
Fingerprint recognition；
Output unit 403, for the second identification successful identification information according to described second process output, triggering is preset
It is identified as merit control instruction.
Alternatively, described output unit 403, it is additionally operable to:
According to the first identification successful identification information of described first process output, trigger described default being identified as power control system
Instruction.
Alternatively, described output unit 403, it is additionally operable to:
According to the second recognition failures identification information of described second process output, trigger the recognition failures mark letter preset
Breath.
Alternatively, described determine unit 401, specifically for:
Determine the finger print data that finger print detecting module detects, and generate interrupt signal；
Described processing unit 402, specifically for:
Generate the first fingerprint recognition by user's User layer according to described interrupt signal to instruct, and described first fingerprint is known
Zhi Ling not be sent to TZ module；
Described first process is created according to described first fingerprint recognition instruction by described TZ module；
Described finger print data is obtained from described finger print detecting module by described TZ module, and according to described first process pair
Described finger print data carries out fingerprint recognition；
Described processing unit 402, is additionally operable to:
By described User layer when described first process exports the first recognition failures identification information, generate the second fingerprint and know
Do not instruct, and described second fingerprint recognition instruction is sent to TZ module；
Described second process is created according to described second fingerprint recognition instruction by described TZ module；
Described finger print data is obtained from described finger print detecting module by described TZ module, and according to described second process pair
Described finger print data carries out fingerprint recognition；
Described output unit 403, specifically for:
By described User layer according to the second identification successful identification information of described second process output, trigger the knowledge preset
Not success control instruction.
Alternatively, described determine unit 401, specifically for
Determine the finger print data that finger print detecting module detects, and generate interrupt signal；
Described processing unit 402, specifically for:
Generate fingerprint recognition by User layer according to described interrupt signal and instruct and be sent to TZ module；
Described first process is created according to the instruction of described fingerprint recognition by described TZ module；
Described finger print data is obtained from described finger print detecting module by described TZ module, and according to described first process pair
Described finger print data carries out fingerprint recognition；
Described processing unit 402, is additionally operable to:
By described TZ module when described first process exports the first recognition failures identification information, create described second and enter
Journey；
Described finger print data is obtained from described finger print detecting module by described TZ module, and according to described second process pair
Described finger print data carries out fingerprint recognition；
Described output unit 403, specifically for:
By described TZ module according to the second identification successful identification information of described second process output, generate fingerprint recognition
Described fingerprint recognition success message is also sent to described User layer by success message；
By described User layer according to described fingerprint recognition success message, what triggering was preset is identified as merit control instruction.
The embodiment of the present invention, determines the finger print data that finger print detecting module detects；According to described finger print data, perform the
One process, described first process is for carry out fingerprint recognition according to characteristic point Comparison Method to described finger print data；Enter described first
When journey exports the first recognition failures identification information, according to described finger print data, perform the second process, according to described second process
Image Comparison Method carries out fingerprint recognition to described finger print data；The second identification success flag letter according to described second process output
Breath, what triggering was preset is identified as merit control instruction.The present invention has the beneficial effect that: characteristic point Comparison Method is first carried out, in feature
During point Comparison Method comparison failure, performing image Comparison Method, the advantage combining two kinds of fingerprint identification methods, compared to prior art
In characteristic point Comparison Method, owing to having continued executing with image Comparison Method, thus improve the success rate once identified, decrease need
User is wanted to repeat the situation of typing；Compared to the image Comparison Method in prior art, owing to formerly performing characteristic point Comparison Method,
When carrying out fingerprint typing due to user, there is the situation that certain probability occurs that fingerprint recognition area is enough, thus certain
On probability, the relatively success earlier of characteristic point Comparison Method, can improve the speed once identified.
The present invention is with reference to method, equipment (system) and the flow process of computer program according to embodiments of the present invention
Figure and/or block diagram describe.It should be understood that can the most first-class by computer program instructions flowchart and/or block diagram
Flow process in journey and/or square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
Instruction arrives the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce
A raw machine so that the instruction performed by the processor of computer or other programmable data processing device is produced for real
The device of the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame now.
These computer program instructions may be alternatively stored in and computer or other programmable data processing device can be guided with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in this computer-readable memory produces and includes referring to
Make the manufacture of device, this command device realize at one flow process of flow chart or multiple flow process and/or one square frame of block diagram or
The function specified in multiple square frames.
These computer program instructions also can be loaded in computer or other programmable data processing device so that at meter
Perform sequence of operations step on calculation machine or other programmable devices to produce computer implemented process, thus at computer or
The instruction performed on other programmable devices provides for realizing at one flow process of flow chart or multiple flow process and/or block diagram one
The step of the function specified in individual square frame or multiple square frame.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and amendment to these embodiments.So, claims are intended to be construed to include excellent
Select embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the present invention to the present invention
God and scope.So, if these amendments of the present invention and modification belong to the scope of the claims in the present invention and equivalent technologies thereof
Within, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a fingerprint identification method, it is characterised in that including:
Determine the finger print data that finger print detecting module detects；
According to described finger print data, performing the first process, described first process is to described fingerprint number according to characteristic point Comparison Method
According to carrying out fingerprint recognition；
When described first process exports the first recognition failures identification information, according to described finger print data, perform the second process, institute
Second process of stating is for carry out fingerprint recognition according to image Comparison Method to described finger print data；
According to the second identification successful identification information of described second process output, what triggering was preset is identified as merit control instruction.
2. the method for claim 1, it is characterised in that described according to described finger print data, after performing the first process,
Also include:
According to the first identification successful identification information of described first process output, trigger the described default power control system that is identified as and refer to
Order.
3. the method for claim 1, it is characterised in that described according to described finger print data, after performing the second process,
Also include:
According to the second recognition failures identification information of described second process output, trigger the recognition failures identification information preset.
4. the method as according to any one of claim 1-3, it is characterised in that described determine what finger print detecting module detected
Finger print data, including:
Determine the finger print data that finger print detecting module detects, and generate interrupt signal；
Described according to described finger print data, perform the first process, including:
User's User layer generates the first fingerprint recognition instruction according to described interrupt signal, and described first fingerprint recognition instruction is sent out
Give TZ module；
Described TZ module creates described first process according to described first fingerprint recognition instruction；
Described TZ module obtains described finger print data from described finger print detecting module, and according to described first process to described fingerprint
Data carry out fingerprint recognition；
Described according to described finger print data, perform the second process, including:
Described User layer, when described first process exports the first recognition failures identification information, generates the second fingerprint recognition instruction,
And described second fingerprint recognition instruction is sent to TZ module；
Described TZ module creates described second process according to described second fingerprint recognition instruction；
Described TZ module obtains described finger print data from described finger print detecting module, and according to described second process to described fingerprint
Data carry out fingerprint recognition；
Described the second identification successful identification information according to described second process output, triggers the power control system that is identified as preset and refers to
Order, including:
Described User layer is according to the second identification successful identification information of described second process output, and what triggering was preset is identified as power control
System instruction.
5. the method for claim 1, it is characterised in that the described finger print data determining that finger print detecting module detects,
Including:
Determine the finger print data that finger print detecting module detects, and generate interrupt signal；
Described according to described finger print data, perform the first process, including:
User layer generates fingerprint recognition according to described interrupt signal and instructs and be sent to TZ module；
Described TZ module creates described first process according to the instruction of described fingerprint recognition；
Described TZ module obtains described finger print data from described finger print detecting module, and according to described first process to described fingerprint
Data carry out fingerprint recognition；
Described according to described finger print data, perform the second process, including:
Described TZ module, when described first process exports the first recognition failures identification information, creates described second process；
Described TZ module obtains described finger print data from described finger print detecting module, and according to described second process to described fingerprint
Data carry out fingerprint recognition；
Described the second identification successful identification information according to described second process output, triggers the power control system that is identified as preset and refers to
Order, including:
Described TZ module, according to the second identification successful identification information of described second process output, generates fingerprint recognition success message
And described fingerprint recognition success message is sent to described User layer；
Described User layer is according to described fingerprint recognition success message, and what triggering was preset is identified as merit control instruction.
6. a fingerprint identification device, it is characterised in that including:
Determine unit, for determining the finger print data that finger print detecting module detects；
Processing unit, for according to described finger print data, performs the first process, and described first process is according to characteristic point Comparison Method
Described finger print data is carried out fingerprint recognition；When described first process exports the first recognition failures identification information, according to described
Finger print data, performs the second process, and described second process is for carry out fingerprint recognition according to image Comparison Method to described finger print data；
Output unit, for the second identification successful identification information according to described second process output, triggers default being identified as
Merit control instruction.
7. device as claimed in claim 6, it is characterised in that described output unit, is additionally operable to:
According to the first identification successful identification information of described first process output, trigger the described default power control system that is identified as and refer to
Order.
8. device as claimed in claim 6, it is characterised in that described output unit, is additionally operable to:
According to the second recognition failures identification information of described second process output, trigger the recognition failures identification information preset.
9. the device as according to any one of claim 6-8, it is characterised in that described determine unit, specifically for:
Determine the finger print data that finger print detecting module detects, and generate interrupt signal；
Described processing unit, specifically for:
Generate the first fingerprint recognition by user's User layer according to described interrupt signal to instruct, and described first fingerprint recognition is referred to
Order is sent to TZ module；
Described first process is created according to described first fingerprint recognition instruction by described TZ module；
Described finger print data is obtained from described finger print detecting module by described TZ module, and according to described first process to described
Finger print data carries out fingerprint recognition；
Described processing unit, is additionally operable to:
By described User layer when described first process exports the first recognition failures identification information, generate the second fingerprint recognition and refer to
Order, and described second fingerprint recognition instruction is sent to TZ module；
Described second process is created according to described second fingerprint recognition instruction by described TZ module；
Described finger print data is obtained from described finger print detecting module by described TZ module, and according to described second process to described
Finger print data carries out fingerprint recognition；
Described output unit, specifically for:
By described User layer according to the second identification successful identification information of described second process output, trigger default being identified as
Merit control instruction.
10. device as claimed in claim 6, it is characterised in that described determine unit, specifically for
Determine the finger print data that finger print detecting module detects, and generate interrupt signal；
Described processing unit, specifically for:
Generate fingerprint recognition by User layer according to described interrupt signal and instruct and be sent to TZ module；
Described first process is created according to the instruction of described fingerprint recognition by described TZ module；
Described finger print data is obtained from described finger print detecting module by described TZ module, and according to described first process to described
Finger print data carries out fingerprint recognition；
Described processing unit, is additionally operable to:
By described TZ module when described first process exports the first recognition failures identification information, create described second process；
Described finger print data is obtained from described finger print detecting module by described TZ module, and according to described second process to described
Finger print data carries out fingerprint recognition；
Described output unit, specifically for:
By described TZ module according to the second identification successful identification information of described second process output, generate fingerprint recognition success
Described fingerprint recognition success message is also sent to described User layer by message；
By described User layer according to described fingerprint recognition success message, what triggering was preset is identified as merit control instruction.
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| CN201610570519.2A CN106250817A (en) | 2016-07-19 | 2016-07-19 | A kind of fingerprint identification method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610570519.2A CN106250817A (en) | 2016-07-19 | 2016-07-19 | A kind of fingerprint identification method and device |
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Application publication date: 20161221 |